The "Quiz Show" craze begins with the premiere of The $64,000 Question. The show spawns many copycats, including Twenty-One[?], which would later be the focus of a scandal that would lead to congressional hearings.
... undersea explorer
Francisco Pizarro, (1471-1541), conqueror of the Inca Empire
Marco Polo, (1254-1323), travelled to China in the 13th century.
John Wesley Powell, ...